Home / 89,736.28-134,455.62-54,569.56

Finding the Fourth Proportional to 89,736.28, 134,455.62 and 54,569.56

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Solution

The fourth proportional to 89,736.28, 134,455.62 and 54,569.56 is: 81,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,736.28 : 134,455.62 = 54,569.56 : x
  2. Step 2: Convert to fraction form
    89,736.28/134,455.62 = 54,569.56/x
  3. Step 3: Cross multiply
    89,736.28x = 134,455.62 × 54,569.56
  4. Step 4: Simplify right side
    89,736.28x = 7,337,184,022.93
  5. Step 5: Solve for x
    x = 7,337,184,022.93/89,736.28
  6. Step 6: Final answer
    x = 81,763.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.